[Info-vax] Poulson at hot-chips 2011

[JF Mezei]

IanMiller wrote:
> there is this
> 
> http://communities.intel.com/community/openportit/server/blog/2011/08/19/itanium-poulson-update--greater-parallelism-new-instruction-replay-more-catch-the-details-from-hotchips
> 

I am puzzled by the "instruction replay".  They say it is to try
instructions again if an error is detected.

Does this mean that there is a significant enough number of errors in
cache to warrant a CPU having such logic to "retry" instructions ?
Wouldn't it be easier to fix the cache so there are no errors ?

Or is this just marketing gobbledeegook to make it look like they are
adding new features even though they may be useless in practice ?